Ed. Code, § 52052

(a) (1) The single multiple measures public school accountability system authorized by Article 4.5 (commencing with Section 52059.5) shall measure the overall performance of numerically significant pupil subgroups in schools, including charter schools, school districts, and county offices of education.

(2) For purposes of this section, numerically significant pupil subgroups include all of the following:

(A) Ethnic subgroups.

(B) Socioeconomically disadvantaged pupils.

(C) English learners and, separately, long-term English learners, defined as a pupil who has not attained English language proficiency within seven years of initial classification as an English learner.

(D) Pupils with disabilities.

(E) Foster youth.

(F) Homeless youth.

(3) (A) For purposes of this section, a numerically significant pupil subgroup is one that consists of at least 30 pupils.

(B) Notwithstanding subparagraph (A), for a subgroup of pupils who are foster youth, homeless youth, or long-term English learners, a numerically significant pupil subgroup is one that consists of at least 15 pupils.

(b) To complement the multiple measures system, the Superintendent, with the approval of the state board, may develop and implement a program of school quality review that features locally convened panels to visit schools, observe teachers, interview pupils, and examine pupil work.

(c) The Superintendent shall annually provide to local educational agencies and the public a transparent and understandable explanation of the individual components of the multiple measures system.

(d) For purposes of the statewide system of support established pursuant to Article 4.5 (commencing with Section 52059.5), or any successor system, alternative schools include schools under the jurisdiction of a county board of education or a county superintendent of schools, community day schools, nonpublic, nonsectarian schools pursuant to Section 56366, and alternative schools serving high-risk pupils, including continuation high schools, dropout recovery high schools, and opportunity schools.

(e) For purposes of this section, the following terms shall have the following meanings:

(1) “Dropout recovery high school” means a school offering instruction in any of grades 9 to 12, inclusive, in which 50 percent or more of its pupils are either designated as dropouts pursuant to the exit and withdrawal codes developed by the department or left a school and were not otherwise enrolled in a school for a period of at least 180 days and the school provides instruction in partnership with any of the following:

(A) The federal Workforce Innovation and Opportunity Act (Public Law 113-128).

(B) Federally affiliated Youthbuild programs (29 U.S.C. Sec. 3226 et seq.).

(C) Federal job corps training or instruction provided pursuant to a memorandum of understanding with the federal provider.

(D) The California Conservation Corps or local conservation corps certified by the California Conservation Corps pursuant to Section 14406 or 14507.5 of the Public Resources Code.

(2) “Homeless youth” has the same meaning as in Section 11434a(2) of Title 42 of the United States Code.

(f) For any program identified in law that utilized a calculation pursuant to the former Academic Performance Index established pursuant to this section, as this section read on January 1, 2018, the 2013 growth calculation shall be applied for those purposes. For purposes of paragraphs (1) to (3), inclusive, of subdivision (b) of Section 47607, alternative measures that show increases in pupil academic achievement for all groups of pupils schoolwide and among numerically significant pupil subgroups shall be used.